/**
 * A single chunk of content ready to be embedded and stored.
 */
export interface DocumentChunk {
    content: string;
    metadata: {
        session_id: string;
        session_title: string;
        project: string;
        heading_hierarchy: string[];
        section: string;
        chunk_id: string;
        url: string;
        hash: string;
        chunk_index: number;
        total_chunks: number;
        /** 0-based position of this message within the session (set at index time). Used for correct print ordering. */
        message_order?: number;
        /** Unix ms timestamp set at insert time (Date.now()). Used for date filtering. */
        created_at?: number;
    };
}
/**
 * Which tool produced a session.
 */
export type SessionSource = "opencode" | "claude-code" | "cursor" | "vscode" | "codex" | "gemini-cli";
/**
 * A row in the sessions_meta table — tracks per-session indexing progress.
 */
export interface SessionMeta {
    session_id: string;
    session_title: string;
    project: string;
    source: SessionSource;
    last_indexed_message_id: string | null;
    updated_at: number;
    transcript_path?: string | null;
}
/**
 * Minimal session info shape (subset of OpenCode SDK Session type).
 */
export interface SessionInfo {
    id: string;
    title?: string;
    directory?: string;
}
/**
 * Minimal message shape used by the indexer (subset of OpenCode SDK types).
 */
export interface MessageInfo {
    id: string;
    role: "user" | "assistant" | "tool";
    time?: {
        created?: number;
        completed?: number;
    };
    agent?: string;
    modelID?: string;
}
export interface MessagePart {
    type: string;
    text?: string;
    toolName?: string;
    toolCallId?: string;
    state?: string | ToolState;
    args?: unknown;
    result?: unknown;
    filename?: string;
    mediaType?: string;
    callID?: string;
    tool?: string;
}
/**
 * OpenCode tool part state — shape returned by the OpenCode REST API.
 */
export interface ToolState {
    status: "pending" | "running" | "complete" | "error";
    input?: unknown;
    output?: unknown;
    error?: string;
    title?: string;
}
export interface FullMessage {
    info: MessageInfo;
    parts: MessagePart[];
}
/**
 * Result row returned by the MCP server query tools.
 */
export interface QueryResult {
    chunk_id: string;
    distance?: number;
    content: string;
    url?: string;
    section?: string;
    heading_hierarchy?: string;
    chunk_index?: number;
    total_chunks?: number;
    session_id?: string;
    session_title?: string;
    source?: SessionSource;
    created_at?: number;
}
/**
 * Config for the database layer.
 */
export interface DatabaseConfig {
    dbPath: string;
    embeddingDimension?: number;
}
/**
 * A row in the `messages` table — one per message indexed.
 */
export interface MessageRow {
    id: string;
    session_id: string;
    role: "user" | "assistant" | "tool";
    created_at: number | null;
    text_length: number;
    part_count: number;
    tool_call_count: number;
    message_order: number;
    indexed_at: number;
}
/**
 * A row in the `tool_calls` table — one per tool invocation extracted from messages.
 */
export interface ToolCallRow {
    message_id: string;
    session_id: string;
    tool_name: string;
    tool_call_id: string | null;
    status: string | null;
    has_error: number;
    args_length: number;
    result_length: number;
    created_at: number | null;
    indexed_at: number;
}
/**
 * Filter options for analytics queries.
 */
export interface AnalyticsFilter {
    source?: SessionSource;
    project?: string;
    fromMs?: number;
    toMs?: number;
}
/**
 * Tool usage statistics returned by getToolUsageStats().
 */
export interface ToolUsageStat {
    tool_name: string;
    call_count: number;
    error_count: number;
    session_count: number;
}
/**
 * Per-role message count returned by getMessageStats().
 */
export interface MessageStat {
    role: string;
    count: number;
}
/**
 * Overview statistics returned by getOverviewStats().
 */
export interface OverviewStats {
    total_sessions: number;
    total_messages: number;
    total_tool_calls: number;
    earliest_message_at: number | null;
    latest_message_at: number | null;
}
/**
 * Per-session analytics returned by getSessionAnalytics().
 */
export interface SessionAnalytics {
    session_id: string;
    message_count: number;
    tool_call_count: number;
    approx_duration_ms: number | null;
    messages_by_role: MessageStat[];
    tool_breakdown: ToolUsageStat[];
}
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